Usage:
Buttress Diabase (CT*)
Buttress Dolerite (CT)
Geologic age:
Jurassic, Middle(?)*
Type section, locality, area and/or origin of name:
800 ft northwest of Wilbur Cross Parkway tunnel (Fritts, 1963). Named from topographic feature known as The Buttress, which protrudes from the west side of West Rock Ridge, New Haven quadrangle, New Haven Co., CT (Fritts, 1962).
AAPG geologic province:
Hartford basin
New England province
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).